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Posted to issues@hbase.apache.org by "Elliott Clark (JIRA)" <ji...@apache.org> on 2015/07/21 21:07:06 UTC
[jira] [Updated] (HBASE-10578) For the same row key, the KV in the
newest StoreFile should be returned
[ https://issues.apache.org/jira/browse/HBASE-10578?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Elliott Clark updated HBASE-10578:
----------------------------------
Resolution: Won't Fix
Status: Resolved (was: Patch Available)
> For the same row key, the KV in the newest StoreFile should be returned
> -----------------------------------------------------------------------
>
> Key: HBASE-10578
> URL: https://issues.apache.org/jira/browse/HBASE-10578
> Project: HBase
> Issue Type: Bug
> Components: Scanners
> Affects Versions: 0.89-fb, 0.99.0, 0.98.2
> Reporter: Amitanand Aiyer
> Assignee: Amitanand Aiyer
> Priority: Minor
> Fix For: 0.89-fb
>
> Attachments: HBASE-10578-v2.patch, HBASE-10578.patch
>
>
> When multiple scanners have the same KV, HBase should pick the "newest" one.
> i.e. pick the KV from the store file with the largest seq id.
> In the KeyValueHeap generalizedSeek implementation, we seem to prefer the "current"
> scanner over the scanners in the heap -- THIS IS WRONG.
> The diff adds a unit test to make sure that bulk loads correctly. And fixes the issue.
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